Questions

Progeria is a rare genetic disordr which involves symptoms resembloing aspects of aging, manifested at a very early age.
The term is often used in reference to Hutchinson - gilford progeria syndrome(HGPS).

9th BRICS summit was held in Xiamen, China with the theme "BRICS: Stronger Partnership for a Brighter Future".

FDA - Food and Drug Administration publishes the food code, a model that assists food control jurisdictions at all levels of government by providing them with a scientifically sound technical and legal basis for regulating the retail and food service segment of the industry which includes restaurents, grocerry stores, ...

India has 18 officially recognised languages - Konkani, Manipur and Nepali were added to the official list of 15 in 1992. The other 15 languages are Assamese, Bengali, Gujarati, Hindi, Kannada, Kashmiri, Malayalam, Marathi, Oriya, Punjabi, Sanskrit , Tamil, Telugu , Urdu and sindhi.

Sodium chloride:

The solubility rules tell you that all halides are soluble with the exception of those formed with siver, mercury, and lead ions. Since this is not the case here, sodium chloride will be soluble.

Silver nitrate:

It is soluble because all nitrates are soluble, without exception.

Potassium sulfate:

It is soluble because all sulfates are soluble with the exception of those formed with silver, calcium, barium, mercury, lead, and strontium ions.

Copper (II) hydroxyde:

It is insoluble because all hydroxides are insoluble with the exception of those formed with alkali metal ions and barium.

Let amount of milk removed = 2x litre
So, amount of water added = x litre
Now → (165 − 2x)/x = 5/3
x = 45 lit